Reliability of video-based identification of footstrike pattern and video time frame at initial contact in recreational runners

Damsted, Camma; Larsen, Lars Henrik; Nielsen, Rasmus Oestergaard

doi:10.1016/j.gaitpost.2015.01.029

Cited by 40 publications

(52 citation statements)

References 19 publications

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“…Recent literature suggests that video-based identification of foot strike patterns by a single rater are highly reliable, although interrater measures was found to be less reliable. 17 At this time, there is limited evidence that any 1 foot strike pattern is more or less likely to cause a runner to sustain an injury. However, this is an area of active research and data on this issue are emerging.…”

Section: Side Viewmentioning

confidence: 99%

An Evidence-Based Videotaped Running Biomechanics Analysis

Souza

2016

Physical Medicine and Rehabilitation Clinics of North America

111

104

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Section: Side Viewmentioning

confidence: 99%

An Evidence-Based Videotaped Running Biomechanics Analysis

Souza

2016

Physical Medicine and Rehabilitation Clinics of North America

111

104

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“…Inter-rater agreement using 240 Hz video data in the present study revealed similar reliability compared to Bertelsen et al who demonstrated inter-rater agreement of FSP characterization ranging between kappa values 0.76 and 0.92; substantial to almost perfect agreement. 24 Bertelsen et al used a similar high-speed video data collection frequency (300 Hz) to the present study, however utilized a 4-point scale as opposed to a 2-point scale. Based on the notion that a greater number of categories will, most likely, result in poorer reliability, 28 we suggest our 2-point grading scale was a factor influencing our slightly higher kappa values.…”

Section: Discussionmentioning

confidence: 99%

“…6,20 With implications for better informed decision making when evaluating healthy or previously injured runners, it is important for clinicians to include evaluations of both FSP and SR in their overall gait analyses. Clinicians and researchers alike are choosing to use 2D high-speed video capture systems for the detection of FSP and SR. 7,[21][22][23][24][25][26] High speed 2D video cameras sell for as low as $170 making them a low-cost, portable, clinically useful tool. Alternative methods used in the detection of FSP and SR include three-dimensional (3D) motion analysis lab systems, hand-held smart devices, and visual inspection without the use of video capture.…”

Section: Introductionmentioning

confidence: 99%

“…Knowledge of the reliability of visual identification of running related variables from 2D video recordings is limited. To our knowledge, no studies exist to date examining the reliability of video-based identification of SR. Additionally, only two studies have examined the reliability of video-based identification of FSP, 24,25 and only one of those studies evaluated reliability during treadmill running. The purposes of this study were;…”

Section: Introductionmentioning

confidence: 99%

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A Reliability Comparison of Different Methods for Detecting Step Rate and Foot Strike Pattern in Runners Using Two-dimensional Video

Erin¹,

Jamie²,

Watson³

et al. 2018

ujph

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Two-dimensional (2D) video is often used to evaluate running gait. Cost effective and clinically applicable methods have not been validated. The objective of this study was to evaluate the concurrent validity and agreement of methods used to determine step rate (SR) and foot strike pattern (FSP) during running using 2D video. We observed excellent agreement assessing SR from a 30 Hertz (Hz) video for 10 seconds (s) and multiplying it by 6. We observed excellent interrater agreement assessing FSP for 10s at 240 Hz. These 10s methods for assessing running may be used to inform clinical decision making when evaluating running gait. Key point's Two-dimensional video assessment at 30 Hz demonstrated high intra-and interrater reliability for detecting step rate; the 10-second method is valid and reliable for detecting step rate when compared to the 60-second method; Detecting foot strike using a 2-point scale is more reliable at 240Hz rather than 30Hz.

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“…In the preliminary study we conducted, we decided to use a video recording system because this type of assessment is supported by current literature for both orthopedic [Brunnekreef, van Uden, van Morsel, & Kooloos, 2005] and neurological [Dickens & Smith, 2006] pathologies. Furthermore, Damsted, Larse, and Nielsen [2015] found video-based identification of foot strike patterns to be reliable for clinical use. We proposed a structured way to "quantify" TTB during standing and walking in ASD children.…”

Section: Discussionmentioning

confidence: 99%

Assessment of presentation patterns, clinical severity, and sensorial mechanism of tip‐toe behavior in severe ASD subjects with intellectual disability: A cohort observational study

Valagussa

Trentin²,

Balatti³

et al. 2017

Autism Research

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We assessed presentation patterns and characteristics of tip-toe behavior (TTB), more commonly known as toe walking, in a cohort of severe autism spectrum disorder (ASD) subjects with intellectual disability in two studies. The first study included 69 consecutive ASD subjects (57 males, mean age = 14 years-3.7 SD) under observation at our institute. A therapist assessed the presence of TTB during standing, walking, and running through direct observation and an interview with the subjects main caregiver. The prevalence of TTB was 32%. We found three clinical presentation patterns of TTB: (1) present when standing, walking and running (45.5%), (2) present when walking and running (18.4%), or (3) present only when running (36.4%). TTB subjects were more frequently nonverbal than those without TTB (72.7% vs. 44.6%-P = 0.03). On the other hand, no significant difference in ASD severity according to the ADOS scale was found between TTB and non-TTB subjects. In the second study, carried out in a subgroup of 14 ASD subjects (7 TTB and 7 non-TTB), we evidenced that a soft floor surface (foam mats) made a substantial difference in reducing the TTB phenomenon. TTB is frequently present in ASD individuals and may occur in three mutually exclusive modalities, which ultimately defines what is commonly known as toe walking. The presence of TTB seems correlated to the severity of language delay. Foot contact on soft surfaces reduces TTB both during static and/or dynamic tasks. Further evaluation is needed to clarify the potential pathophysiological implications of this phenomenon. Autism Res 2017, 10: 1547-1557. © 2017 International Society for Autism Research, Wiley Periodicals, Inc.

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Reliability of video-based identification of footstrike pattern and video time frame at initial contact in recreational runners

Cited by 40 publications

References 19 publications

An Evidence-Based Videotaped Running Biomechanics Analysis

An Evidence-Based Videotaped Running Biomechanics Analysis

A Reliability Comparison of Different Methods for Detecting Step Rate and Foot Strike Pattern in Runners Using Two-dimensional Video

Assessment of presentation patterns, clinical severity, and sensorial mechanism of tip‐toe behavior in severe ASD subjects with intellectual disability: A cohort observational study

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